74 lines
2.0 KiB
Bash
Executable File
74 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Use this script to update libexpat
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set -e
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set -o pipefail
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if [[ "${BASH_VERSINFO[0]}" -lt 4 ]]; then
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echo "A bash version >= 4 required. Got: $BASH_VERSION" >&2
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exit 1
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fi
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# Update this when updating to a new version after verifying that the changes
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# the update brings in are good. These values are used for verifying the SBOM, too.
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expected_libexpat_tag="R_2_7_3"
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expected_libexpat_version="2.7.3"
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expected_libexpat_sha256="821ac9710d2c073eaf13e1b1895a9c9aa66c1157a99635c639fbff65cdbdd732"
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expat_dir="$(realpath "$(dirname -- "${BASH_SOURCE[0]}")")"
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cd ${expat_dir}
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# Step 1: download and copy files
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curl --location "https://github.com/libexpat/libexpat/releases/download/${expected_libexpat_tag}/expat-${expected_libexpat_version}.tar.gz" > libexpat.tar.gz
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echo "${expected_libexpat_sha256} libexpat.tar.gz" | sha256sum --check
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# Step 2: Pull files from the libexpat distribution
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declare -a lib_files
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lib_files=(
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ascii.h
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asciitab.h
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expat.h
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expat_external.h
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iasciitab.h
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internal.h
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latin1tab.h
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nametab.h
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siphash.h
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utf8tab.h
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winconfig.h
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xmlparse.c
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xmlrole.c
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xmlrole.h
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xmltok.c
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xmltok.h
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xmltok_impl.c
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xmltok_impl.h
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xmltok_ns.c
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)
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for f in "${lib_files[@]}"; do
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tar xzvf libexpat.tar.gz "expat-${expected_libexpat_version}/lib/${f}" --strip-components 2
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done
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rm libexpat.tar.gz
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# Step 3: Add the namespacing include to expat_external.h
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sed -i 's/# define Expat_External_INCLUDED 1/&\n\/* Namespace external symbols to allow multiple libexpat version to\n co-exist. \*\/\n#include "pyexpatns.h"/' expat_external.h
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if ! grep -q '#include "pyexpatns\.h"' expat_external.h; then
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echo "
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Error: namespacing include not found in expat_external.h;
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This may be due to source changes and will require updating this script" >&2
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exit 1
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fi
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echo "
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Updated! next steps:
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- Verify all is okay:
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git diff
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git status
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- Regenerate the sbom file
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make regen-sbom
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- Update warning count in Tools/build/.warningignore_macos
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(use info from CI if not on a Mac)
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"
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